EJB Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

EJB Interview Questions

Questions Answers Views Company eMail

Which of the recommended practices to be performed in the ejbpassivate() method of a stateful session bean?

1111

An instance of stateful session ejb when accessed simultaneously from more than one clients on same vm results in remoteexception or ejbexception. In case the client is a servlet thread, which of the techniques can be used to avoid remoteexception/ejbexception?

985

A client wants to preserve the reference to the ejbhome object of an enterprise bean instance and use it later. Which of the following can be serialized for this purpose?

997

How do I use a less than or greater than on a message selector in ejb-jar.xml?

969

Match the ejb functions given below with the functionality equivalent in sql?

978

For ejb applications with bean-managed transaction demarcations, which of the following is used by the client to get a reference to the usertransaction object for the weblogic server domain?

1000

Which is the only method defined in the javax.ejb.handle interface?

1092

How does ejb invocation happens?

996

What is the procedure for the creation of stateless ejb?

972

What are the advantages of java beam?

1080

Explain the important elements of ejb?

973

Explain the concept of connection pooling feature of ejb container?

969

What are the various types of entity beam?

1018

What are the callback annotations for the stateless bean?

956

What do you understand by session facade?

996

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Un-Answered Questions { EJB }

What is the difference between ejb and java beans?

1010

What is difference between stateless and stateful?

1008

What is stateful session bean?

1065

What is the default transaction attribute for an ejb?

971

Which services are provided to ejb components by the ejb container?

1140

What does ejb stand for?

1047

Can tomcat run ejb?

1013

What is stateless ejb?

950

Is ejb a framework?

974

How many enterprise beans?

965

What are transaction isolation levels in ejb?

1024

What is ejb javatpoint?

987

Is it legal to have static initializer blocks in ejb?

998

What is the difference between @requestparam and @pathvariable?

975

What do you mean by ‘hot deployment’ ?

1064

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